EP 2335428 B1 20150114 - BINAURAL RENDERING OF A MULTI-CHANNEL AUDIO SIGNAL
Title (en)
BINAURAL RENDERING OF A MULTI-CHANNEL AUDIO SIGNAL
Title (de)
BINAURALE AUFBEREITUNG EINES MEHRKANAL-AUDIOSIGNALS
Title (fr)
RENDU BINAURAL DE SIGNAL AUDIO MULTICANAUX
Publication
Application
Priority
- EP 2009006955 W 20090925
- US 10330308 P 20081007
- EP 09006598 A 20090515
- EP 09778738 A 20090925
Abstract (en)
[origin: EP2175670A1] Binaural rendering a multi-channel audio signal into a binaural output signal (24) is described. The multi-channel audio signal comprises a stereo downmix signal (18) into which a plurality of audio signals are downmixed, and side information comprising a downmix information (DMG, DCLD) indicating, for each audio signal, to what extent the respective audio signal has been mixed into a first channel and a second channel of the stereo downmix signal (18), respectively, as well as object level information of the plurality of audio signals and inter-object cross correlation information describing similarities between pairs of audio signals of the plurality of audio signals. Based on a first rendering prescription, a preliminary binaural signal (54) is computed from the first and second channels of the stereo downmix signal (18). A decorrelated signal X d n , k is generated as an perceptual equivalent to a mono downmix (58) of the first and second channels of the stereo downmix signal (18) being, however, decorrelated to the mono downmix (58). Depending on a second rendering prescription P 2 1 , m , a corrective binaural signal (64) is computed from the decorrelated signal (62) and the preliminary binaural signal (54) is mixed with the corrective binaural signal (64) to obtain the binaural output signal (24).
IPC 8 full level
H04S 3/00 (2006.01); G10L 19/00 (2013.01); G10L 19/008 (2013.01); H04S 1/00 (2006.01)
CPC (source: EP KR US)
G10L 19/008 (2013.01 - EP US); H04S 1/00 (2013.01 - KR); H04S 1/005 (2013.01 - EP US); H04S 3/00 (2013.01 - KR); H04S 3/004 (2013.01 - EP US); G10L 19/20 (2013.01 - EP US); H04S 2400/01 (2013.01 - EP US); H04S 2420/01 (2013.01 - EP US); H04S 2420/03 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
EP 2175670 A1 20100414; AU 2009301467 A1 20100415; AU 2009301467 B2 20130801; BR PI0914055 A2 20151103; BR PI0914055 B1 20210202; CA 2739651 A1 20100425; CA 2739651 C 20150324; CN 102187691 A 20110914; CN 102187691 B 20140430; EP 2335428 A1 20110622; EP 2335428 B1 20150114; ES 2532152 T3 20150324; HK 1159393 A1 20120727; JP 2012505575 A 20120301; JP 5255702 B2 20130807; KR 101264515 B1 20130514; KR 20110082553 A 20110719; MX 2011003742 A 20110609; MY 152056 A 20140815; PL 2335428 T3 20150831; RU 2011117698 A 20121110; RU 2512124 C2 20140410; TW 201036464 A 20101001; TW I424756 B 20140121; US 2011264456 A1 20111027; US 8325929 B2 20121204; WO 2010040456 A1 20100415
DOCDB simple family (application)
EP 09006598 A 20090515; AU 2009301467 A 20090925; BR PI0914055 A 20090925; CA 2739651 A 20090925; CN 200980139685 A 20090925; EP 09778738 A 20090925; EP 2009006955 W 20090925; ES 09778738 T 20090925; HK 11113678 A 20111219; JP 2011530393 A 20090925; KR 20117010398 A 20090925; MX 2011003742 A 20090925; MY PI20111545 A 20090925; PL 09778738 T 20090925; RU 2011117698 A 20090925; TW 98132269 A 20090924; US 201113080685 A 20110406